Hair comb



FIG. 1 is a front elevational view of a hair comb, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is an elevational view of the left-hand end thereof, as appears in FIG. 1;

FIG. 4 is an elevational view of the right-hand end thereof, as appears in FIG. 1;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a hair comb, as shown. 